﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Net;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Animation;
using System.Windows.Navigation;
using System.Windows.Shapes;
using Microsoft.Phone.Controls;
using Microsoft.Phone.Shell;
using System.IO.IsolatedStorage;
using System.IO;
using DBViewModel.ViewModel;
using Microsoft.Phone.Net.NetworkInformation;
using AiyoriAoshi.MangaService;
using DBDataContext.Model;
using System.Windows.Resources;
using System.Xml.Linq;
using System.Globalization;

namespace AiyoriAoshi
{
    public partial class App : Application
    {
        /// <summary>
        /// Provides easy access to the root frame of the Phone Application.
        /// </summary>
        /// <returns>The root frame of the Phone Application.</returns>
        public PhoneApplicationFrame RootFrame { get; private set; }

        private static MangaForYouViewModel _viewModel;
        public static MangaForYouViewModel ViewModel
        {
            get { return _viewModel; }
        }

        public const string KEYSITE = "kissmanga";
        public const string LINKMANGA = "LinkMangaHere";
        // public const string LINKMANGA = "http://kissmanga.com/Manga/Sins?confirm=yes";
        /// <summary>";
        /// Constructor for the Application object.
        /// </summary>
        public App()
        {
            // Global handler for uncaught exceptions. 
            UnhandledException += Application_UnhandledException;

            // Standard Silverlight initialization
            InitializeComponent();

            // Phone-specific initialization
            InitializePhoneApplication();

            // Show graphics profiling information while debugging.
            if (System.Diagnostics.Debugger.IsAttached)
            {
                // Display the current frame rate counters.
                Application.Current.Host.Settings.EnableFrameRateCounter = false;

                // Show the areas of the app that are being redrawn in each frame.
                //Application.Current.Host.Settings.EnableRedrawRegions = true;

                // Enable non-production analysis visualization mode, 
                // which shows areas of a page that are handed off to GPU with a colored overlay.
                //Application.Current.Host.Settings.EnableCacheVisualization = true;

                // Disable the application idle detection by setting the UserIdleDetectionMode property of the
                // application's PhoneApplicationService object to Disabled.
                // Caution:- Use this under debug mode only. Application that disables user idle detection will continue to run
                // and consume battery power when the user is not using the phone.
                PhoneApplicationService.Current.UserIdleDetectionMode = IdleDetectionMode.Disabled;
            }
            // Create database in isolated store
            MoveReferenceDatabase();




            // Specify the local database connection string.
            string DBConnectionString = "Data Source=isostore:Shared/Database/MangaForYou.sdf";

            try
            {
                // Create the ViewModel object.
                _viewModel = new MangaForYouViewModel(DBConnectionString);

                // Query the local database and load observable collections.
                //_viewModel.LoadAllMangas(string.Empty);
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message);
            }
        }

        private void LoadXMLContentAndInsertToDatabase()
        {
            StreamResourceInfo xml = Application.GetResourceStream(new Uri("/AiyoriAoshi;component/OriginalData.xml", UriKind.Relative));

            XElement appDataXml;
            IsolatedStorageSettings issSetting = IsolatedStorageSettings.ApplicationSettings;
            appDataXml = XElement.Load(xml.Stream);
            Manga manga = new Manga();
            try
            {
                var data = (from query in appDataXml.Descendants("Manga")
                            select query).First();

                manga.Author = (string)data.Element("Author");
                manga.ImageLink = (string)data.Element("ImageLink");
                manga.Link = (string)data.Element("Link");
                manga.Summary = (string)data.Element("Summary");
                manga.Title = (string)data.Element("Title");


                List<XElement> chapters = data.Element("Chapters").Elements("Chapter").ToList<XElement>();
                List<Chapter> addChapters = new List<Chapter>();

                foreach (XElement chap in chapters)
                {
                    Chapter newChap = new Chapter();
                    newChap.Link = (string)chap.Element("Link");
                    newChap.Title = (string)chap.Element("Title");

                    DateTimeFormatInfo dtfi = new DateTimeFormatInfo();

                    dtfi.ShortDatePattern = "MM/dd/yyyy";

                    DateTime objDate;
                    try
                    {

                        objDate = Convert.ToDateTime((string)chap.Element("Date"), dtfi);
                        newChap.Date = objDate;
                    }
                    catch (Exception ex)
                    {
                        newChap.Date = Convert.ToDateTime(DateTime.Now, dtfi);
                    }

                    addChapters.Add(newChap);
                }
                
                int mangaId = App.ViewModel.InsertMangaReturnMangaId(manga);

                App.ViewModel.InsertChaptersBaseOnMangaId(mangaId, addChapters);

                // save MangaId
                if (issSetting.Contains("MangaId"))
                {
                    issSetting["MangaId"] = mangaId;
                }
                else
                {
                    issSetting.Add("MangaId", mangaId);
                }

                // save IsLoadedMangaDetail
                if (issSetting.Contains("IsLoadedMangaDetail"))
                {
                    issSetting["IsLoadedMangaDetail"] = true;
                }
                else
                {
                    issSetting.Add("IsLoadedMangaDetail", true);
                }

                issSetting.Save();
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message);
                if (issSetting.Contains("IsLoadedMangaDetail"))
                {
                    issSetting["IsLoadedMangaDetail"] = false;
                }
                else
                {
                    issSetting.Add("IsLoadedMangaDetail", false);
                }
            }
        }

        public static void MoveReferenceDatabase()
        {
            try
            {
                // Obtain the virtual store for the application.
                IsolatedStorageFile iso = IsolatedStorageFile.GetUserStoreForApplication();
                if (!iso.DirectoryExists("/Shared/Download"))
                {
                    iso.CreateDirectory("/Shared/Download");
                }
                // Create a stream for the file in the installation folder.
                using (Stream input = Application.GetResourceStream(new Uri("Database/MangaForYou.sdf", UriKind.Relative)).Stream)
                {
                    if (!iso.DirectoryExists("/Shared/Database"))
                    {
                        iso.CreateDirectory("/Shared/Database");
                        if (!iso.FileExists("Shared/Database/MangaForYou.sdf"))
                        {

                            // Create a stream for the new file in isolated storage.
                            using (IsolatedStorageFileStream output = iso.CreateFile("Shared/Database/MangaForYou.sdf"))
                            {
                                // Initialize the buffer.
                                byte[] readBuffer = new byte[4096];
                                int bytesRead = -1;

                                // Copy the file from the installation folder to isolated storage. 
                                while ((bytesRead = input.Read(readBuffer, 0, readBuffer.Length)) > 0)
                                {
                                    output.Write(readBuffer, 0, bytesRead);
                                }
                            }
                        }
                    }
                }
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message);
            }
        }

        // Code to execute when the application is launching (eg, from Start)
        // This code will not execute when the application is reactivated
        private void Application_Launching(object sender, LaunchingEventArgs e)
        {
            IsolatedStorageSettings issSetting = IsolatedStorageSettings.ApplicationSettings;
            // save IsLoadedMangaDetail
            if (issSetting.Contains("IsLoadedMangaDetail"))
            {
                if ((bool)issSetting["IsLoadedMangaDetail"] == false)
                {
                    // Insert data from XML to database
                    LoadXMLContentAndInsertToDatabase();
                }
            }
            else
            {
                issSetting.Add("IsLoadedMangaDetail", false);
                issSetting.Save();
                // Insert data from XML to database
                LoadXMLContentAndInsertToDatabase();
            }
            

            // Navigato to page
            MoveToPage();
        }

        private void MoveToPage()
        {
            IsolatedStorageSettings iss = IsolatedStorageSettings.ApplicationSettings;
            if (iss.Contains("ShowOnStartup") == true)
            {
                if ((bool)iss["ShowOnStartup"] == false)
                {
                    ((App)Application.Current).RootFrame.Navigate(new Uri("/ChaptersPage.xaml", UriKind.Relative));
                }
                else
                {
                    ((App)Application.Current).RootFrame.Navigate(new Uri("/IntroPage.xaml", UriKind.Relative));
                }
            }
            else
            {
                ((App)Application.Current).RootFrame.Navigate(new Uri("/IntroPage.xaml", UriKind.Relative));
            }
        }

        // Code to execute when the application is activated (brought to foreground)
        // This code will not execute when the application is first launched
        private void Application_Activated(object sender, ActivatedEventArgs e)
        {
        }

        // Code to execute when the application is deactivated (sent to background)
        // This code will not execute when the application is closing
        private void Application_Deactivated(object sender, DeactivatedEventArgs e)
        {
        }

        // Code to execute when the application is closing (eg, user hit Back)
        // This code will not execute when the application is deactivated
        private void Application_Closing(object sender, ClosingEventArgs e)
        {
            // App.ViewModel.UpdateStatusOfDownloadChapters();
            try
            {
                App.ViewModel.StopDownloadingChapters();
            }
            catch
            {

            }
        }

        // Code to execute if a navigation fails
        private void RootFrame_NavigationFailed(object sender, NavigationFailedEventArgs e)
        {
            if (System.Diagnostics.Debugger.IsAttached)
            {
                MessageBox.Show("This had navigation fails");
                App.ViewModel.UpdateStatusOfDownloadChapters();
                // A navigation has failed; break into the debugger
                System.Diagnostics.Debugger.Break();
            }
        }

        // Code to execute on Unhandled Exceptions
        private void Application_UnhandledException(object sender, ApplicationUnhandledExceptionEventArgs e)
        {
            if (System.Diagnostics.Debugger.IsAttached)
            {
                MessageBox.Show("This had Unhandled Exceptions");
                App.ViewModel.UpdateStatusOfDownloadChapters();
                // An unhandled exception has occurred; break into the debugger
                System.Diagnostics.Debugger.Break();
            }
        }

        #region Phone application initialization

        // Avoid double-initialization
        private bool phoneApplicationInitialized = false;

        // Do not add any additional code to this method
        private void InitializePhoneApplication()
        {
            if (phoneApplicationInitialized)
                return;

            // Create the frame but don't set it as RootVisual yet; this allows the splash
            // screen to remain active until the application is ready to render.
            RootFrame = new PhoneApplicationFrame();
            RootFrame.Navigated += CompleteInitializePhoneApplication;

            // Handle navigation failures
            RootFrame.NavigationFailed += RootFrame_NavigationFailed;

            // Ensure we don't initialize again
            phoneApplicationInitialized = true;
        }

        // Do not add any additional code to this method
        private void CompleteInitializePhoneApplication(object sender, NavigationEventArgs e)
        {
            // Set the root visual to allow the application to render
            if (RootVisual != RootFrame)
                RootVisual = RootFrame;

            // Remove this handler since it is no longer needed
            RootFrame.Navigated -= CompleteInitializePhoneApplication;
        }

        #endregion
    }
}